Potter, David M. <br/><br/>
The impending crisis, 1848-1861 / 
by David M. Potter ; completed and edited by Don E. Fehrenbacher. 
 - New York, N.Y. :  Harper Torchbooks,  1976. 
 - x, 638 p. : ill. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0061319295 
<br/><br/><label>Subjects--Topical Terms: </label><br/>United States--History.